| A | B |
|---|
| starch (n) | an insoluble carbohydrate that is used as a food store in plants |
| cabohydrate (n) | energy source for plants and animals; includes sugars and starches |
| cellulose (n) | the tough, fibrous material that makes up plant cell walls |
| protein (n) | a nutrient used by the plant to build new cells |
| fat (n) | a nutrient that is high in energy that acts as energy storage for the plant |
| biomass (n) | plant material used as an energy source, e.g. food or fuel |
| concentration * (n) | how much of a substance there is in a particular area or volume |
| light intensity * (n) | how much energy is being transmitted by a light source |
| number pyramid * (n) | a diagram that shows the number of organisms in a food chain |
| etiolation * (n) | to cause a plant to develop without chlorophyll by keeping it from being exposed to sunlight |
